Allyl ethenesulfonate is primarily used in the field of polymer chemistry as a monomer for the synthesis of specialized polymers. Its unique structure, containing both an allyl group and a sulfonate group, allows it to participate in various polymerization reactions, including radical polymerization and copolymerization. This makes it valuable in creating polymers with specific properties, such as enhanced solubility, thermal stability, or ion-exchange capabilities.

In industrial applications, it is utilized to produce ion-exchange resins, which are critical in water purification processes, chemical separations, and catalysis. Additionally, its incorporation into polymers can improve their adhesive properties, making it useful in coatings, adhesives, and sealants. The compound is also explored in the development of advanced materials for electronics and biomedical applications, where its functional groups can be tailored for specific interactions or performance requirements.